impermissible

1 of 2

adjective

im·​per·​mis·​si·​ble ˌim-pər-ˈmi-sə-bəl How to pronounce impermissible (audio)
Synonyms of impermissiblenext
: not permissible
impermissibility
ˌim-pər-ˌmi-sə-ˈbi-lə-tē How to pronounce impermissible (audio)
noun
impermissibly
ˌim-pər-ˈmi-sə-blē How to pronounce impermissible (audio)
adverb

impermissibility

2 of 2

noun

im·​permissibility ¦im+ How to pronounce impermissibility (audio)
: the quality or state of being impermissible

Synonyms of impermissible

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Adjective

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Examples of impermissible in a Sentence

Adjective Such behavior is impermissible under the new guidelines. an impermissible breach of etiquette
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
In 2024, its football program acknowledged impermissible recruiting contacts during the COVID-19 recruiting dead period, improper tryouts and unauthorized coaching by noncoaching staff. — Jackson Thompson Outkick, FOXNews.com, 11 Oct. 2026 In 2025, the Colorado Supreme Court rejected the companies’ argument, holding that the lawsuit is a valid legal challenge regarding public deception and local costs, rather than an impermissible attempt to regulate federal emissions. — Patrick Parenteau, The Conversation, 30 Sep. 2026 The league penalized Frank for his involvement with the impermissible endorsement arrangements and for approving impermissible expenses incurred by Leonard and his family. — ABC News, 2 Sep. 2026 Clippers President of Basketball Operations Lawrence Frank is suspended without pay for six months for his involvement with the impermissible endorsement arrangements and for approving impermissible expenses incurred by Leonard and his family. — Jason Anderson, Sacbee.com, 2 Sep. 2026 See All Example Sentences for impermissible

Word History

First Known Use

Adjective

1829, in the meaning defined above

Time Traveler
The first known use of impermissible was in 1829

Rhymes for impermissible

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Browse Nearby Words

impermissibility
impermissible
impers
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Cite this Entry

“Impermissible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impermissible. Accessed 20 Oct. 2026.

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Kids Definition

Legal Definition

impermissible

adjective
im·​per·​mis·​si·​ble ˌim-pər-ˈmi-sə-bəl How to pronounce impermissible (audio)
: not permissible
impermissibly adverb
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